Whats wrong with my computer?

Reinstall the os, that will solve everything. Well first you back up the file you want to keep. That is the most important thing. Next is get the reinstall disk, that matches your. To install the new os, press the button of esc to enter bios and set it to boot to dvd drive. Next is to get the driver together and install the driver. Most install time for win 7, 36 minutes. Finding drivers is the only problem look at the alienware site for driver. A short cut is carbonite with promo code rush, this back up the file.